Antecedent (if this happens)
KXATP-26USO-AUG
Will Felix Auger-Aliassime win the US Open Men's Singles?
Series: KXATP
Entity: Felix Auger-Aliassime
Expiration: 2026-09-14T05:00:00Z
Volume: 8828
YES ask: 0.0200
NO ask: 0.9900
Last: 0.0200
View on Kalshi
Rules
If Felix Auger-Aliassime wins the 2026 US Open Men's Singles professional tennis tournament, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXATPGRANDSLAM-26-FAUG
Will Felix Auger-Aliassime win a Tennis Grand Slam in 2026?
Series: KXATPGRANDSLAM
Entity: Felix Auger-Aliassime
Expiration: 2026-12-31T15:00:00Z
Volume: 3311
YES ask: 0.3400
NO ask: 0.9900
Last: 0.0500
View on Kalshi
Rules
If Felix Auger-Aliassime wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes.
Confidence: high
Model: claude-sonnet-5
Screened: 2026-07-12T08:03:07Z
Code version: N/A
Reasoning: US Open win implies major win; reverse not necessarily true.
Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees):
-83.13%
(negative yield)
Cost:
$1.3300
+ ~$0.0164 est. fees
Days to maturity:
61
Hurdle yield:
4.32%
Excess yield:
-87.45%
BELOW HURDLE